-x^2+2=0

f(x)={x^2-2x,x>=0x^2+2x,xf(x)={x^2-2x,x>=0x^2+2x,xf(x)={x^2-2x,x>=0x^2+2x,x●奇偶函数的判定：奇函数：f(-x)=-f(x)偶

如果X*X--1=0,那么X*X*X+2*X*X+2008=几?如果X*X--1=0,那么X*X*X+2*X*X+2008=几?如果X*X--1=0,那么X*X*X+2*X*X+2008=几?X*X=

已知x*x+x-1=0求x*x*x-2x+11=?已知x*x+x-1=0求x*x*x-2x+11=?已知x*x+x-1=0求x*x*x-2x+11=?答案是10因为,（X-1)(X^2+X-1）=X^

已知x*x+x-1=0求x*x*x-2x+2010的值已知x*x+x-1=0求x*x*x-2x+2010的值已知x*x+x-1=0求x*x*x-2x+2010的值x²+x-1=0x²

x(x-2)+x-2=0x(x-2)+x-2=0x(x-2)+x-2=0x(x-2)+x-2=0x(x-2)+(x-2)=0x(x-2)+1×(x-2)=0（x+1)(x-2)=0x+1=0或x-2=

x(x-2)+x-2=0x(x-2)+x-2=0x(x-2)+x-2=0x平方-2x+x-2=0（可省略）x平方-x-2=0(可省略）(x+1)(x-2)=0（若省略1、2步,则解释就是提公因式(x-

x^4+x^3+x^2+x+1=0,x^2006+x^2005+x^2004+x^2003+x^2002x^4+x^3+x^2+x+1=0,x^2006+x^2005+x^2004+x^2003+x^

5/x^2+x-1/x^2-x=05/x^2+x-1/x^2-x=05/x^2+x-1/x^2-x=05/x(x+1)-1/x(x-1)=0可别乘x(x+1)(x-1)5(x-1)-(x+1)=05x

x/x-1-2x-2/x-1=0x/x-1-2x-2/x-1=0x/x-1-2x-2/x-1=0x等于2

(x^-2x)^-5(x^-2x)-6=0(x^-2x)^-5(x^-2x)-6=0(x^-2x)^-5(x^-2x)-6=0(x^2-2x)^2-5(x^2-2x)-6=0(x^2-2x-6)(x^

2/(x-2)-4*x/(x*x-4)=02/(x-2)-4*x/(x*x-4)=02/(x-2)-4*x/(x*x-4)=03/(x+2)+4/(x-2)=16/(x*x-4)3/(x+2)+4/(

(x-2)(x-4)+4x(x-3)=0(x-2)(x-4)+4x(x-3)=0(x-2)(x-4)+4x(x-3)=0解(x-2)(x-4)+4x(x-3)=0x²-6x+8+4x

x(x+2)(x+6)+20x+6=0x(x+2)(x+6)+20x+6=0x(x+2)(x+6)+20x+6=0x(1)=(38361^(1/2)/9+559/27)^(1/3)-32/(9*(38

(x+2)(x-3)(x-6)(x-1)=0(x+2)(x-3)(x-6)(x-1)=0(x+2)(x-3)(x-6)(x-1)=0有种方法叫做穿针引线法,需要在纸上画出函数的简图,这个题的答案应该是

函数f(x)=x^2+x+1/x,0函数f(x)=x^2+x+1/x,0函数f(x)=x^2+x+1/x,0解由f(x)=x^2+x+1/x=x+1+1/x=x+1/x+1注意该函数在区间（0,1]上

6/(x-1)-(x+2)/x(x-1)=06/(x-1)-(x+2)/x(x-1)=06/(x-1)-(x+2)/x(x-1)=0两边乘x（x-1）6x-(x+2)=06x-x-2=05x=2x=0

x^2+x=0x^2+x=0x^2+x=0 

f（x）=-x^2+2x（x>0）0(x=0)x^2-2x(xf（x）=-x^2+2x（x>0）0(x=0)x^2-2x(xf（x）=-x^2+2x（x>0）0(x=0)x^2-2x(x-1≤a-2≤

已知函数f(x)=-x^2+2X(X>0)0(X=0)x^2-2X(X已知函数f(x)=-x^2+2X(X>0)0(X=0)x^2-2X(X已知函数f(x)=-x^2+2X(X>0)0(X=0)x^2

判断其奇偶性f(x)={x(x-2)x≥-x(x+2)x＜0}f(x)={x(x-2)x≥0-x(x+2)x＜0}判断其奇偶性f(x)={x(x-2)x≥-x(x+2)x＜0}f(x)={x(x-2)